#include <iostream>
#include <cstdio>
#include <algorithm>
#include <map>
#include <cstring>
#include <vector>
#include<queue>
#include<stack>
using namespace std;
int main()
{
	unsigned long long l, r, t;
	cin >> t;
	if (t % 2==0)
	{
		cout << "ny" << endl;
	}
	else
		cout << "Guaishu" << endl;

	return 0;
}